Spacious throws errors

Here is what I have done:

1. Updated Spacious and one other plugin
2. Cleared server cache
3. Turned debug on and off

Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 320 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Function WP_Dependencies->add_data() was called with an argument that is deprecated since version 6.9.0! IE conditional comments are ignored by all supported browsers. in /wordpress/wp-includes/functions.php on line 6131 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 320 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350 Deprecated: Invalid characters passed for attempted conversion, these have been ignored in /www/wp-content/themes/spacious/inc/functions.php on line 350